Using jQuery I am trying to access div id=\"element\".
<iframe> <div id=\"element <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-5408099190056760" data-ad-slot="7305827575" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <div class="fly-panel detail-box" id="flyReply"> <fieldset class="layui-elem-field layui-field-title" style="text-align: center;"> <legend>8条回答</legend> </fieldset> <ul class="jieda" id="jieda"> <li data-id="111" class="jieda-daan"> <a name="item-1111111111"></a> <div class="detail-about detail-about-reply"> <a class="fly-avatar" href=""> <img src="https://www.e-learn.cn/qa/data/avatar/000/00/00/small_000000099.jpg" alt=" 忘掉有多难 "> </a> <div class="fly-detail-user"> <a href="" class="fly-link"> <cite> 忘掉有多难</cite> </a> <span>(楼主)</span> </div> <div class="detail-hits"> <span>2020-11-28 08:35</span> </div> </div> <div class="detail-body jieda-body photos"> <p> <p>I guess your problem is that jQuery is not loaded in your iframes.</p> <p>The safest approach is to rely on pure DOM-based methods to parse your content.</p> <p>Or else, start with jQuery, and then once inside your iframes, test once if <code>typeof window.jQuery == 'undefined'</code>, if it's true, jQuery is not enabled inside it and fallback on DOM-based method.</p> </p> <div class="appendcontent"> </div> </div> <div class="jieda-reply"> <span class="jieda-zan button_agree" type="zan" data-id='496120'> <i class="iconfont icon-zan"></i> <em>0</em> </span> <span type="reply" class="showpinglun" data-id="496120"> <i class="iconfont icon-svgmoban53"></i> 讨论(0) </span> <div class="jieda-admin"> </div> <div class="noreplaytext bb"> <center><div> <a href="https://www.e-learn.cn/qa/q-124059.html"> 查看其它8个回答 </a> </div></center> </div> </div> <div class="comments-mod " style="display: none; 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